COMSEC / Network Administrator

General Dynamics IT; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

General Dynamics IT is seeking a COMSEC/Network Administrator to support U.S. Army Europe and AFRICOM missions. You will install, configure, and maintain secure networks, lead troubleshooting, and coordinate with DISA and mission partners to ensure continuity of operations.

Role requires Top Secret/SCI clearance, DoD network experience, and ability to work in a demanding enterprise environment. The position emphasizes cybersecurity compliance and on-call readiness.

Qualifications

• Experience in DoD/enterprise network environments.
• Experience with cryptographic equipment and lifecycle support (COMSEC).
• Knowledge of Cisco routing/switching, CUCM, VPNs, firewalls, and routing protocols.
• Ability to work independently in a remote environment and during on-call schedules.
• Strong communication with leadership and stakeholdersons.

Responsibilities

• Installs, configures, and maintains Cisco routers, switches, and networking software (Cisco IOS).
• Configures, manages, and troubleshoots LAN/WAN tech including TCP/IP, BGP, OSPF, EIGRP, VPNs, firewalls, CUCM.
• Supports COMSEC equipment, cryptographic devices, TACLANEs and key management.
• Acts as primary POC for network issues at site and coordinates with theater-level leadership and partners.
• Lead and mentor junior technicians for standardization and cybersecurity compliance.
• Track, report, and analyze site-level network issues and trends for leadership.

Skills

Enterprise Network

Information Assurance

Network Configurations

Networking Hardware

Technical Support

Education

DoD 8570 IAT Level II

Computing Environment Certification

CCNA

Cisco Collaboration Core (CLCOR)

ITIL v4 Foundation

Tools

Cisco IOS

Job description

Type of Requisition

Regular

Clearance Level Must Currently Possess

Top Secret/SCI

Clearance Level Must Be Able to Obtain

Top Secret/SCI

Public Trust/Other Required

None

Job Family

IT Infrastructure and Operations

Job Qualifications

• Skills: Enterprise Network, Information Assurance, Network Configurations, Networking Hardware, Technical Support
• Certifications: None
• Experience: 5 + years of related experience
• US Citizenship Required: Yes

Job Description

COMSEC / Network Administrator

Advance how our customers operate while you advance your career. Join GDIT as a COMSEC / Network Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

At GDIT, people are our differentiator. As a COMSEC / Network Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on COMSEC / Network Administrator joining our team to help build and enable the readiness of our Nation's Army!

MEANINGFUL WORK AND PERSONAL IMPACT

As a COMSEC / Network Administrator the work you'll do at GDIT will be impactful to the mission of U.S. Army Europe and AFRICOM. You will play a crucial role in supplying mission command support.

• Installs, configures, and maintains Cisco routers, switches, and networking software (current Cisco IOS).
• Configures, manages, and troubleshoots LAN/WAN technologies including TCP/IP, BGP, OSPF, EIGRP, VPN solutions, firewalls, and Cisco Unified Communications Manager (CUCM).
• Provides support for COMSEC equipment, cryptographic devices, TACLANEs, and key management; CHIMERA/HAIPE experience a plus.
• Serve as the primary point of contact (POC) for all network issues at their site, coordinating with theater-level leadership, DISA, higher headquarters, mission partners, and other technical teams.
• Lead and mentor junior technicians, ensuring standardization, proper configuration, and compliance with cybersecurity and operational requirements.
• Track, manage, and report all site-level network issues, degradation events, risks, maintenance actions, and long-term trends to leadership and program management.
• Oversee day-to-day work execution, validate task completion, enforce configuration/change management processes, and maintain accurate operational documentation.
• Lead troubleshooting efforts during outages or network degradation, performing hands-on diagnostics while directing junior personnel when necessary.
• Coordinate cross-discipline support with System Administrators to resolve multi-layered issues and maintain mission continuity.
• Maintain and validate network diagrams, accreditation artifacts, and configuration baselines for the location.
• Assist with planning and execution of network modernization, lifecycle refreshes, and technology upgrades affecting the site.
• Ensure compliance with all DoD, DISA, and EMITS program policies, producing timely and accurate reporting for mission partners and program leadership.

WHAT YOU'LL NEED TO SUCCEED

• Education : BA/BS (or equivalent experience)
• Experience: 10+ years of related experience
• Required Technical skills: Must have experience with cryptographic equipment and lifecycle support to include installing, securing and operating government procured COMSEC equipment.
• Demonstrated experience as a senior network technician or lead in a DoD or enterprise network environment.
• Experience configuring Cisco routing/switching technologies, CUCM, VPNs, firewalls, and advanced routing protocols.
• Knowledge of WAN circuits and experience with MPLS transport.
• Experience ensuring patch and IAVA compliance across network environments.
• Experience with TACLANE devices, cryptographic key management, and secure communications.
• Ability to work independently, remote environment and make rapid decisions during operational events.
• Must possess a valid U.S. driver's license and an international driver's permit.
• Must be willing to participate in an on-call schedule to ensure continuous network support.
• Strong communication skills and the ability to interface directly with leadership, mission partners, and stakeholders.

Security Clearance

Secret Clearance with a T5/SSBI investigation required

Role Requirements

• Must possess a valid U.S. driver's license and an international driver's permit.
• Must be willing to participate in an on-call schedule to ensure continuous network support.

Certifications

• DoD 8570 IAT Level II certification - Required
• Computing Environment (CE) Certification
• (CCNA satisfies this requirement.)
• Cisco Certified Network Associate (CCNA) - Required
• Ability to successfully complete the Cisco Collaboration Core (CLCOR) exam to support VoIP related requests
• ITIL v4 Foundation certification - (within 90 days if not held at hire)
• Cisc